The popular consumer exhibition was due to run from 22-31 August in London, this will now take place on 1-9 May 2021.
The Birmingham event was scheduled to take place between 07- 11 October 2020 at Birmingham's NEC, this will now take place on 06-10 October 2021, at the same venue.
KBSA National Account Manager Allister Reed said, ‘It is disappointing for those that were preparing to be involved but an inevitable decision, given the current Covid-19 restrictions.
“Grand Designs Live is a cornerstone to the KBB industry which the KBSA is proud to support and promote. Our members have been present for several years, offering design advice in the ‘Ask an Expert’ area and presenting in the Grand Theatre.
‘We welcome its return in 2021 and look forward to taking part in a bigger and better show.’